| 000 | 00397nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1972 xx 000 0 und d | ||
| 082 | _a551.49 U-4S | ||
| 100 | _aUNESCO | ||
| 245 | 0 | _aStatus and trends of research in hydrology, 1965-74 | |
| 260 | _c1972 | ||
| 300 | _a148p | ||
| 440 | _aStudies and reports in hydrology, 10 | ||
| 650 | _aHYDROLOGY | ||
| 653 | _aHYDROLOGY | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c49393 _d49393 |
||